.body{
	font-family: "Helvetica Neue",Helvetica,STHeiTi,sans-serif;
	line-height: 1.5;
	font-size: 14px;
}
.demo-desc {
	padding: 5px;
	font-size: 16px;
	background: #eee;
}
.full {
	width: 100%;
	max-width: 640px;
	margin-left: auto;
	margin-right: auto;
}
.footer-main {
	display: -webkit-box;
	background: #f0f0f0;
}
.footer-main>a {
	padding-top: 5px;
	display: block;
	-webkit-box-flex: 1;
	text-align: center;
	font-size: 12px;
	color: #666;
}
.fixed-bottom {
	position: fixed;
	z-index: 10;
	width: 100%;
	bottom: 0;
	left: 0;
	right: 0;
}	
.iconfont{
	width: 32px;
	height: 32px;
}